In the last 7 years, humanity has discovered 43 potentially habitable planets.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Your body is creating and killing about 2.4 million red blood cells per second.
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If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
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